The prominent company name XT4S 250 Ekip LSI is a an industrial power distribution unit. Rated at 60A with a three-phase configuration and featuring both fuse with F fuses, this unit is fully compliant UL/CSA standards. The model number, 1SDA075431R1, specifies this particular unit within the ABB product line. ABB E1N MS 800 4p F HR New 1SDA05… Read More


whenever we disconnect the switch, the capacitor continues to supply the voltage, trying to keep the Zener diode and transistor open up. The existing flows throughout the resistor right until it drains the capacitor, as soon as the voltage of the capacitor falls down below the breakdown voltage, the Zener diode all over again blocks The existing to… Read More